ESP-IDF
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Outline
#include "os.h"
#include <stdlib.h>
#include <unistd.h>
#include <sys/time.h>
#include "esp_random.h"
#include "utils/common.h"
#include "mbedtls/platform_util.h"
os_get_time(struct os_time *)
os_random()
os_get_random(unsigned char *, size_t)
os_sleep(os_time_t, os_time_t)
forced_memzero(void *, size_t)
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/wpa_supplicant/port/os_xtensa.c
 
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/* * wpa_supplicant/hostapd / Internal implementation of OS specific functions * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Alternatively, this software may be distributed under the terms of BSD * license. * * See README and COPYING for more details. * * This file is an example of operating system specific wrapper functions. * This version implements many of the functions internally, so it can be used * to fill in missing functions from the target system C libraries. * * Some of the functions are using standard C library calls in order to keep * this file in working condition to allow the functions to be tested on a * Linux target. Please note that OS_NO_C_LIB_DEFINES needs to be defined for * this file to work correctly. Note that these implementations are only * examples and are not optimized for speed. *//* ... */ #include "os.h" #include <stdlib.h> #include <unistd.h> #include <sys/time.h> #include "esp_random.h" #include "utils/common.h" #include "mbedtls/platform_util.h"7 includes int os_get_time(struct os_time *t) { struct timeval tv; int ret = gettimeofday(&tv, NULL); t->sec = (os_time_t) tv.tv_sec; t->usec = tv.tv_usec; return ret; }{ ... } unsigned long os_random(void) { return esp_random(); }{ ... } int os_get_random(unsigned char *buf, size_t len) { esp_fill_random(buf, len); return 0; }{ ... } void os_sleep(os_time_t sec, os_time_t usec) { if (sec) { sleep(sec); }{...} if (usec) { usleep(usec); }{...} }{ ... } #ifdef CONFIG_CRYPTO_MBEDTLS void forced_memzero(void *ptr, size_t len) { mbedtls_platform_zeroize(ptr, len); }{ ... } /* ... */#endif
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